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Diffstat (limited to 'crypto/pqueue/pqueue.h')
-rw-r--r-- | crypto/pqueue/pqueue.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/crypto/pqueue/pqueue.h b/crypto/pqueue/pqueue.h new file mode 100644 index 0000000000..22459508a9 --- /dev/null +++ b/crypto/pqueue/pqueue.h @@ -0,0 +1,93 @@ +/* crypto/pqueue/pqueue.h */ +/* + * DTLS implementation written by Nagendra Modadugu + * (nagendra@cs.stanford.edu) for the OpenSSL project 2005. + */ +/* ==================================================================== + * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#ifndef HEADER_PQUEUE_H +#define HEADER_PQUEUE_H + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +typedef struct _pqueue *pqueue; + +typedef struct _pitem + { + unsigned long long priority; + void *data; + struct _pitem *next; + } pitem; + +typedef struct _pitem *piterator; + +pitem *pitem_new(unsigned long long priority, void *data); +void pitem_free(pitem *item); + +pqueue pqueue_new(void); +void pqueue_free(pqueue pq); + +pitem *pqueue_insert(pqueue pq, pitem *item); +pitem *pqueue_peek(pqueue pq); +pitem *pqueue_pop(pqueue pq); +pitem *pqueue_find(pqueue pq, unsigned long long priority); +pitem *pqueue_iterator(pqueue pq); +pitem *pqueue_next(piterator *iter); + +void pqueue_print(pqueue pq); + +#endif /* ! HEADER_PQUEUE_H */ |